Why is there a large difference in the boiling points of butanal and butan-1-ol?

This is a Short Answer Type Questions as classified in NCERT Exemplar

Butanol is a four-carbon aldehyde, with the aldehyde group on the fourth carbon. It has a functional group and a carbonyl group that interacts dipole-dipole. Because butanol possesses a polar O-H bond, it exhibits intermolecular H bonding, which is not feasible in butanal due to the lack of a polar bond. The boiling point of butanol is higher than that of butan-1-ol.

<div class="photo-widget-full"><div class="figure"><picture><source srcset="" media=" (max-width: 500px)"></picture>This is a Short Answer Type Questions as classified in NCERT Exemplar</div><div class="figure"><picture><img src="https://images.shiksha.com/mediadata/images/1750761574php6pkzcW.jpeg" alt="" width="318" height="123" loading="lazy"></picture></div></div><p>Butanol is a four-carbon aldehyde, with the aldehyde group on the fourth carbon. It has a functional group and a carbonyl group that interacts dipole-dipole. Because butanol possesses a polar O-H bond, it exhibits intermolecular H bonding, which is not feasible in butanal due to the lack of a polar bond. The boiling point of butanol is higher than that of butan-1-ol.</p>

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